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Cylinder Head Distortion

SPECIAL TOOL(S)

G04690214Courtesy of FORD MOTOR CO.
Straight Edge
303-D039 (D83L-4201-A) or equivalent
  1. Use a straight edge and a feeler gauge to inspect the cylinder head for flatness. If the cylinder head is distorted, install a new cylinder head.
    Fig 1: Inspecting Cylinder Head For Flatness
    G04690215Courtesy of FORD MOTOR CO.